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Finding the Fourth Proportional to 397,807.29, 549,219.35 and 273,839.93

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Solution

The fourth proportional to 397,807.29, 549,219.35 and 273,839.93 is: 378,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,807.29 : 549,219.35 = 273,839.93 : x
  2. Step 2: Convert to fraction form
    397,807.29/549,219.35 = 273,839.93/x
  3. Step 3: Cross multiply
    397,807.29x = 549,219.35 × 273,839.93
  4. Step 4: Simplify right side
    397,807.29x = 150,398,188,358.65
  5. Step 5: Solve for x
    x = 150,398,188,358.65/397,807.29
  6. Step 6: Final answer
    x = 378,067.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.